That’s a strange take. Pakistan and India are both nukes and continue to have border wars. Israel has nukes and has had a perpetual war. The UK and Egypt had conflict when UK has had nukes. China had battles with Vietnam, Laos, and the Soviet Union. It’s amazing the restraint these nations have shown. Adding more nations to the pot adds more risk, especially when in the hands of unstable, immature, and emotionally irrational leaders. Russia and NK are threatening nuclear attacks annually. Let’s pray it never comes to that

You’re illustrating my point.

Of all the conflicts you listed, only India and Pakistan are at nuclear parity, and their body count in all their conflicts is a rounding error compared to the others.

You’re forgetting that the US and Soviets /Russians fought multiple proxy wars with high body counts, even most recently in Syria. It doesn’t have to be direct confrontation